[infer] fix dead code

Reviewed By: mbouaziz

Differential Revision: D9692505

fbshipit-source-id: 8bab530a9

infer/src/IR/Localise.ml

@@ -60,8 +60,6 @@ let no_desc : error_desc = {descriptions= []; tags= []; dotty= None}
 (** verbatim desc from a string, not to be used for user-visible descs *)
 let verbatim_desc s = {no_desc with descriptions= [s]}
 
-let custom_desc description tags = {no_desc with descriptions= [description]; tags}
-
 (** pretty print an error description *)
 let pp_error_desc fmt err_desc = Pp.seq F.pp_print_string fmt err_desc.descriptions
 

infer/src/IR/Localise.mli

@@ -24,9 +24,6 @@ val no_desc : error_desc
 val verbatim_desc : string -> error_desc
 (** verbatim desc from a string, not to be used for user-visible descs *)
 
-val custom_desc : string -> (string * string) list -> error_desc
-(** verbatim desc with custom tags *)
-
 module BucketLevel : sig
   val b1 : string
   (** highest likelihood *)